Unreal Engine Issues

[Substrate] Workaround for DXC problem with roll unlooping

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...

Crash when playing NiagaraSystem with mesh renderer in CPUSim with Compress Attributes enabled when stompmalloc is enabled

Crashes when playing Niagara particles with the following conditions enabled. It crashes only when stompmalloc is enabled, not when disabled. Enable Ray tracingEnable Compress Attributes in System P ...

Distance Field shadow culling when view is at certain angles

Distance Field shadows are culled for larger meshes at certain angles of the cameras view position. Map with reproduced setup is attached. ...

Groom Assets do not render fog

Grooms are not rending correctly when volume fog is in a scene. ...

Ray tracing shadows prohibit the subsurface color to show through the object

Ray tracing shadows prohibit the subsurface color to show through the object. ...

RT shadows break with a 16-bit GBuffer

Ray traced shadows are missing when the gbuffer is forced to 16-bit. ...

Path tracing gets harsh shading falloff if using area lights

Thumbnails do not display shadows after opening and saving the asset

Shadows in an asset's thumbnail disappear after opening and saving the asset, whether changes are made or not.  Tested: 4.24.3 CL#11590370, 4.25P6 CL#12493028, 4.26 CL#12767035 ...

Crash enabling Stochastic Rect Light with Ray Tracing

Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748).  ...